Sitka Spruce (Picea sitchensis) is the most successful and productive plant of the 20th century Originally from the Pacific coast of N. America, it has...

Norway Spruce (Picea abies) is native in Europe but not in Ireland It is a widely used softwood and pulpwood throughout Europe It grows best...

Douglas Fir (Pseudotsuga menziesii), also known as Oregan Pine, originated in Western N. America In high rainfall areas, it can reach 50m with straight stems